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improve cache class documentation.

This commit is contained in:
Taylor Otwell 2011-06-16 19:58:14 -05:00
parent 72e7275fe0
commit e467c831cc
1 changed files with 13 additions and 6 deletions
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19
system/cache.php
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@ -17,19 +17,19 @@ class Cache {
*/ */
public static function driver($driver = null) public static function driver($driver = null)
{ {
// --------------------------------------------------
// If the cache driver has already been instantiated,
// we'll just return that existing instance.
//
// Otherwise, we'll instantiate a new one.
// --------------------------------------------------
if ( ! array_key_exists($driver, static::$drivers)) if ( ! array_key_exists($driver, static::$drivers))
{ {
// --------------------------------------------------
// If no driver was specified, use the default.
// --------------------------------------------------
if (is_null($driver)) if (is_null($driver))
{ {
$driver = Config::get('cache.driver'); $driver = Config::get('cache.driver');
} }
// --------------------------------------------------
// Create the cache driver.
// --------------------------------------------------
static::$drivers[$driver] = Cache\Factory::make($driver); static::$drivers[$driver] = Cache\Factory::make($driver);
} }
@ -41,6 +41,13 @@ public static function driver($driver = null)
*/ */
public static function __callStatic($method, $parameters) public static function __callStatic($method, $parameters)
{ {
// --------------------------------------------------
// Passing method calls to the driver instance allows
// a better API for the developer.
//
// For instance, instead of saying Cache::driver()->foo(),
// we can now just say Cache::foo().
// --------------------------------------------------
return call_user_func_array(array(static::driver(), $method), $parameters); return call_user_func_array(array(static::driver(), $method), $parameters);
} }